<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Title</title>
</head>
<body>
	<div id="app">
		{{ message }} <br/>
		<button @click="count++">{{count}}</button>
	</div>
	<div>
		<button @click="count++">{{count}}</button>
	</div>

	<!-- CND引入在线的vue-->
	<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
	<script>
		const {createApp, ref} = Vue
		/* 创建vue的应用实例 */
		createApp({
			setup() {
				const message = ref('Hello vue!')
				const count = ref(0)
				return {
					message, count
				}
			}
		}).mount('#app') //id为app的div被vue接管
	</script>
</body>
</html>